The series of still photographs taken from surveillance camera video shows the fuselage, containing the engine and rotors, separating from the helicopter’s tail. The rotor blades and the transmission then detach from the cabin that’s carrying the passengers and the pilot.

A tourist helicopter that crashed into New York City's Hudson River last month, killing all six people on board, broke into three major pieces before descending rapidly, the National Transportation Safety Board said on Wednesday.

The National Transportation Safety Board has released its preliminary report on April's Hudson River helicopter crash​ that killed six.